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36 CFR Part 1191 ABA Accessibility Guidelines, Outdoor Developed Areas

Click here to view 36 CFR Part 1191 in its entirety on eCFR.gov.

1011.2.3 Slope.

The slope of the clear ground space surface shall not be steeper than 1:48 in any direction.

EXCEPTION: Where the surface is other than asphalt, concrete, or boards, slopes not steeper than 1:20 shall be permitted when necessary for drainage.

Source: 36 CFR Part 1191 ABA Accessibility Guidelines, Outdoor Developed Areas by U.S. Access Board - published 09/26/2013

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